#include<iostream>
#include<conio.h>
#include<stdio.h>

using namespace std;

class CRectangle
{
	int *width;
	int *height;
public:
	CRectangle(int ,int );
	~CRectangle();
	int area();
};
CRectangle::CRectangle(int a,int b)
{
	width = new int;
	height = new int;
	*width = a;
	*height = b;
}
CRectangle::~CRectangle()
{
	delete width;
	delete height;
}
int CRectangle::area()
{
	return(( *width ) * ( *height ));
}
int main()
{
	CRectangle recta(3,4);
	cout<<"area a: "<<recta.area();
	getch();
	return 0;
}
